Process for the polymerization of olefines



TES

RITE I-ZGFEEAWN AND MICHAEL Q'ITO, OF BRESLAU, GERMANY, ASSIGNORS TO I. G.

nAE-BENINDUSTRIE AKTIENGESELLSGHAFT, OF FRANKFORT-ON-THE-MAIN, GER- MANY, A CORPORATION OF GERMANY PROCESS FOR THE POLYMERIZATION OF OLEFINES No Drawing. Application filed April 30, 1927, Serial No. 188,041, and in Germany April 22, 1926.

s oy in but boron fluoride use can be made or solutions of boron 4 tin inc is considerably accelerated s. 4 1 o a by the addition of metals in a finely divided "term, such as for instance nickel.

Eccrmzpics of 1C- parts by weight of e and l part by weight 01": boron fluielt for some time under an increased pressure, in which case it is not necessary, i possible to exceed room tempera.- this way 80% of the ethylene, acoing to the time taken can be converted '0 liquid polymerizates.

A mixture of 10 parts by Weight of techml Blau gas (containing 60 vol. percent. olefines) and 1 part by Weight of boron ride is treated as described in Example 1. d or" polymerizate 60% by weight of the gas employed. l0 boron fluoride and 100 grs. ethylere al owed to react together in a. pressure vessel f 600 com. capacity. The pressure is 70 atm. Without nickel 2O grs. are polym rized after 12 hours. TI" nickel is applied the walls however all the ethylene is polymerized in three to four hours.

The products from the polymerization represent bodies or substances of a. petroleum l character. The boiling point range is as Having now more particularly described and ascertained the nature of our said invention and in what manner the same is to be performed, we declare that what we claim is:

l. A process for polymerizing ethylene which comprises subjecting it to the action of boron fluoride under pressure.

2. A process for polymerizing ethylene, which comprises subjecting it to the action of boron fluoride under pressure with an addition of finely divided nickel.

3. A process for polymerizing ethylene which comprises subjecting it to the action of a boron fluoride under pressure.

i. A process for polymerizing ethylene which comprises subjecting it to the action of a solution of boron fluoride under pressure.

In testimony whereof We have signed our names to this specification.

FRITZ HOFMANN. MICHAEL OTTO. 

